155030340465 has 192 divisors, whose sum is σ = 369193144320. Its totient is φ = 58088378880.

The previous prime is 155030340431. The next prime is 155030340523. The reversal of 155030340465 is 564043030551.

155030340465 is a `hidden beast` number, since 1 + 550 + 3 + 0 + 3 + 40 + 4 + 65 = 666.

It is not a de Polignac number, because 155030340465 - 2⁷ = 155030340337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1896916 + ... + 1976954.

It is an arithmetic number, because the mean of its divisors is an integer number (1922880960).

Almost surely, 2^155030340465 is an apocalyptic number.

155030340465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155030340465 is an abundant number, since it is smaller than the sum of its proper divisors (214162803855).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155030340465 is a wasteful number, since it uses less digits than its factorization.

155030340465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80124 (or 80121 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 155030340465 in words is "one hundred fifty-five billion, thirty million, three hundred forty thousand, four hundred sixty-five".